<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="书名" prop="bookName">
        <el-input
          v-model="queryParams.bookName"
          placeholder="请输入书名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="类别" prop="typeId">
        <el-select v-model="queryParams.typeId" placeholder="请输入类别" clearable>
          <el-option
            v-for="itme in typeNames"
            :key="itme.id"
            :label="itme.typeName"
            :value="itme.id"
          ></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="作者" prop="author">
        <el-input
          v-model="queryParams.author"
          placeholder="请输入作者"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:info:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:info:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:info:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:info:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="infoList"
      :default-sort="{prop: 'id', order: 'ascending'}"
      @selection-change="handleSelectionChange">
      <el-table-column type="expand">
         <template slot-scope="props">
          <el-form label-position="left" inline class="demo-table-expand">
            <el-form-item label="书名">
              <span>{{ props.row.bookName }}</span>
            </el-form-item>
            <el-form-item label="类别">
              <span>{{ props.row.ygabcBookType.typeName }}</span>
            </el-form-item>
            <el-form-item label="ISBN码">
              <span>{{ props.row.isbn }}</span>
            </el-form-item>
            <el-form-item label="作者">
              <span>{{ props.row.author }}</span>
            </el-form-item>
            <el-form-item label="出版社">
              <span>{{ props.row.press }}</span>
            </el-form-item>
            <el-form-item label="数量">
              <span>{{ props.row.num }}</span>
            </el-form-item>
            <el-form-item label="图书梗概">
              <span>{{ props.row.detail }}</span>
            </el-form-item>
          </el-form>
        </template>
      </el-table-column>
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="id" align="center" prop="id" />
      <el-table-column label="书名" align="center" prop="bookName" />
      <el-table-column label="封面" align="center" prop="url" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.url" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="类别" align="center" prop="ygabcBookType.typeName" />
      <el-table-column label="ISBN码" align="center" prop="isbn" />
      <el-table-column label="作者" align="center" prop="author" />
      <el-table-column label="出版社" align="center" prop="press" />
      <el-table-column label="数量" align="center" prop="num" />
      <el-table-column label="图书梗概" align="center" prop="detail" show-overflow-tooltip />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:info:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:info:remove']"
          >删除</el-button>
          <el-button size="small"
            type="success"
            icon="el-icon-borrow"
            @click="handleBorrow(scope.row)"
            >借阅图书</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改ygabc_book_info对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="书名" prop="bookName">
          <el-input v-model="form.bookName" placeholder="请输入书名" />
        </el-form-item>
        <el-form-item label="封面">
          <image-upload v-model="form.url"/>
        </el-form-item>
        <el-form-item label="类别" prop="typeId">
         <el-select v-model="form.typeId" placeholder="请输入类别" clearable>
          <el-option
            v-for="itme in typeNames"
            :key="itme.id"
            :label="itme.typeName"
            :value="itme.id"
          ></el-option>
        </el-select>
        </el-form-item>
        <el-form-item label="ISBN码" prop="isbn">
          <el-input v-model="form.isbn" placeholder="请输入ISBN码" />
        </el-form-item>
        <el-form-item label="作者" prop="author">
          <el-input v-model="form.author" placeholder="请输入作者" />
        </el-form-item>
        <el-form-item label="出版社" prop="press">
          <el-input v-model="form.press" placeholder="请输入出版社" />
        </el-form-item>
        <el-form-item label="数量" prop="num">
          <el-input v-model="form.num" placeholder="请输入数量" />
        </el-form-item>
        <el-form-item label="图书梗概" prop="detail">
          <el-input v-model="form.detail" placeholder="请输入图书梗概" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listInfo, getInfo, delInfo, addInfo, updateInfo } from "@/api/system/info";
import { borrowBook } from "@/api/system/borrow";
import { listType } from "@/api/system/type";

export default {
  name: "Info",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // ygabc_book_info表格数据
      infoList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 图书所有类别名称
      typeNames: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        bookName: null,
        url: null,
        typeId: null,
        isbn: null,
        author: null,
        press: null,
        num: null,
        detail: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      // 只展开一行放入当前行的id
      expands: []
    };
  },
  created() {
    this.getList();
    listType().then(response => {
      this.typeNames = response.rows;
    })
  },
  methods: {
    /** 查询ygabc_book_info列表 */
    getList() {
      this.loading = true;
      listInfo(this.queryParams).then(response => {
        this.infoList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        bookName: null,
        url: null,
        typeId: null,
        isbn: null,
        author: null,
        press: null,
        num: null,
        detail: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加图书";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getInfo(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改图书";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateInfo(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addInfo(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除图书编号为"' + ids + '"的书籍信息？').then(function() {
        return delInfo(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 借阅图书按钮操作 */
    handleBorrow(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认借阅图书编号为"' + ids + '"的书籍信息？').then(function() {
        return borrowBook(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("借阅成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/info/export', {
        ...this.queryParams
      }, `info_${new Date().getTime()}.xlsx`)
    }
  }
};

</script>

<style>
  .demo-table-expand {
    font-size: 0;
  }
  .demo-table-expand label {
    width: 90px;
    color: #99a9bf;
  }
  .demo-table-expand .el-form-item {
    margin-right: 0;
    margin-bottom: 0;
    width: 50%;
  }
</style>
